W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<html> <body> <script type="text/javascript"> var str = "Visit W3School"; var patt1 = new RegExp("W3School"); var result = patt1.test(str); document.write("Result: " + result); </script> </body> </html>